.shipping-mark-format {
  display: block;
}

.shipping-mark-format-intro {
  max-width: 800px;
}

.shipping-mark-format p + p,
#carton-mark-packing-list-check p + p,
#shipping-mark-sources p + p {
  margin-top: 14px;
}

.shipping-mark-format .mismatch-table-wrap {
  margin: 24px 0;
}

.shipping-mark-format .mismatch-table {
  min-width: 560px;
  table-layout: fixed;
}

.shipping-mark-format .mismatch-table th:first-child {
  width: 23%;
}

.shipping-mark-format .mismatch-table th:nth-child(2) {
  width: 27%;
}

.shipping-mark-format a,
#carton-mark-packing-list-check a,
#shipping-mark-sources a {
  color: var(--green-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 760px) {
  .shipping-mark-format .mismatch-table {
    min-width: 0;
  }

  .shipping-mark-format thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }

  .shipping-mark-format tbody,
  .shipping-mark-format tr,
  .shipping-mark-format .mismatch-table th,
  .shipping-mark-format .mismatch-table td {
    display: block;
    width: auto;
  }
  .shipping-mark-format .mismatch-table th:first-child,
  .shipping-mark-format .mismatch-table th:nth-child(2) { width: auto; }

  .shipping-mark-format tbody tr {
    padding: 14px 16px;
    border-bottom: 1px solid var(--line);
  }

  .shipping-mark-format tbody tr:last-child {
    border-bottom: 0;
  }

  .shipping-mark-format .mismatch-table th,
  .shipping-mark-format .mismatch-table td {
    padding: 4px 0;
    border: 0;
  }

  .shipping-mark-format tbody td:first-of-type {
    color: var(--green-dark);
    font-weight: 650;
  }
}

.mark-examples { margin: 36px 0; }
.mark-guide { max-width: 900px; margin: 32px auto; font-size: 16px; line-height: 1.75; }
.mark-guide h1 { font-size: clamp(30px, 4vw, 48px); line-height: 1.12; }
.mark-guide h2 { margin: 34px 0 14px; line-height: 1.25; }
.mark-guide h3 { margin: 24px 0 10px; }
.mark-guide p, .mark-guide li, .mark-guide dd { margin-bottom: 14px; }
.mark-guide ul, .mark-guide ol { padding-left: 24px; }
.mark-guide dt { font-weight: 750; }
.mark-guide a { color: var(--green-dark); text-decoration: underline; text-underline-offset: 3px; }
.mark-guide .primary-link { color: #fff; text-decoration: none; }
.mark-guide figure { max-width: 600px; margin: 20px 0; }
.mark-guide img { width: 100%; height: auto; display: block; }
.mark-guide figcaption { font-size: 13px; color: var(--muted); margin-top: 8px; }
.mark-guide-toc { display: flex; flex-wrap: wrap; gap: 8px 20px; padding: 12px 0; border-block: 1px solid var(--line); }
.mark-guide-toc a { min-height: 44px; display: inline-flex; align-items: center; }
.mark-guide-example-links { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; margin: 24px 0; }
.mark-guide-example-links span { display: block; padding: 10px 0; }
@media (max-width: 600px) { .mark-guide-example-links { grid-template-columns: 1fr; } }
.mark-examples > p { max-width: 820px; margin: 12px 0 22px; }
.mark-example-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.mark-example-card { min-width: 0; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.mark-example-card img { display: block; width: 100%; height: auto; border-radius: 5px; }
.mark-example-card h3 { margin: 18px 0 10px; font-size: 19px; }
.mark-example-card p { font-size: 15px; line-height: 1.6; margin-bottom: 14px; }
.mark-example-card a { display: inline-flex; min-height: 44px; align-items: center; }
.mark-example-card .sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
@media screen and (max-width: 760px) { .shipping-mark-format td[data-label]::before { content: attr(data-label) ": "; font-weight: 700; } }
@media (max-width: 760px) { .mark-example-grid { grid-template-columns: 1fr; } .mark-example-card { padding: 14px; } }
@media print { .mark-examples { display: none !important; } }